/* ============================================================
 * 绘盒官网 2026 SEO/转化组件库
 * 依赖 css/variables.css 的设计变量，保持与既有暗色主题一致
 * 引入方式：在 style.css 之后引入
 * ============================================================ */

/* ---------- 通用 ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 2000;
  background: var(--color-primary); color: #fff;
  padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 面包屑（内嵌于 .page-header，跟随其对齐方式） ---------- */
.breadcrumb {
  display: block;
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 14px;
  opacity: .9;
}
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary-light); text-decoration: underline; }
.breadcrumb .sep { opacity: .45; margin: 0 6px; }
.breadcrumb .current { color: var(--color-text-secondary); }

/* 独立使用（不在 page-header 内）时补出导航栏高度 */
.breadcrumb--standalone {
  padding-top: 88px;
  margin-bottom: 0;
}

/* ---------- GEO 定义段（AI 可直接摘录的一句话定义） ---------- */
.geo-def {
  background: linear-gradient(135deg, rgba(91, 110, 245, .12), rgba(0, 212, 255, .06));
  border: 1px solid rgba(91, 110, 245, .25);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  padding: 22px 26px;
  margin: 0 0 var(--spacing-lg);
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-secondary);
}
.geo-def strong { color: var(--color-text-primary); }

/* ---------- 信任数据条 ---------- */
.trust-bar {
  background: var(--color-background-light);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  padding: 22px 0;
}
.trust-bar-inner {
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: center; gap: 14px 44px;
}
.trust-item {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 14px; color: var(--color-text-light);
}
.trust-item b {
  font-size: 22px; font-weight: 700;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-secondary));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- 优势四卡（管得住/合得规/收得回/用得上） ---------- */
.pillar-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}
.pillar-card {
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}
.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(91, 110, 245, .5);
  box-shadow: var(--shadow-glow);
}
.pillar-icon {
  width: 52px; height: 52px; margin: 0 auto var(--spacing-sm);
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(91, 110, 245, .12);
  color: var(--color-primary-light);
}
.pillar-icon svg { width: 26px; height: 26px; }
.pillar-card h3 {
  font-size: 19px; color: var(--color-text-primary);
  margin-bottom: 10px; font-weight: 600;
}
.pillar-card p {
  font-size: 14px; color: var(--color-text-light); line-height: 1.8;
}

/* ---------- 合规三件套强调块 ---------- */
.compliance-callout {
  background: rgba(0, 212, 255, .06);
  border: 1px solid rgba(0, 212, 255, .22);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-md) 0;
}
.compliance-callout h4 {
  font-size: 16px; color: var(--color-secondary);
  margin-bottom: 10px; font-weight: 600;
}
.compliance-callout ul { list-style: none; padding: 0; margin: 0; }
.compliance-callout li {
  position: relative; padding-left: 22px;
  font-size: 14px; line-height: 2; color: var(--color-text-secondary);
}
.compliance-callout li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--color-secondary); font-weight: 700;
}

/* ---------- 场景卡 ---------- */
.scene-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md);
}
.scene-card {
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  transition: border-color var(--transition-base);
}
.scene-card:hover { border-color: rgba(91, 110, 245, .45); }
.scene-card h3 {
  font-size: 17px; color: var(--color-text-primary);
  margin-bottom: 8px; font-weight: 600;
}
.scene-card p { font-size: 14px; color: var(--color-text-light); line-height: 1.85; }

/* ---------- 流程步骤 ---------- */
.steps {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md); counter-reset: step;
}
.step-item {
  position: relative;
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 60px;
  counter-increment: step;
}
.step-item::before {
  content: counter(step);
  position: absolute; left: 20px; top: 22px;
  width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}
.step-item h3 {
  font-size: 16px; color: var(--color-text-primary);
  margin-bottom: 6px; font-weight: 600;
}
.step-item p { font-size: 13px; color: var(--color-text-light); line-height: 1.8; }
.step-item .step-time {
  display: inline-block; margin-top: 8px;
  font-size: 12px; color: var(--color-secondary);
  background: rgba(0, 212, 255, .1);
  border-radius: 20px; padding: 2px 10px;
}

/* ---------- FAQ 折叠 ---------- */
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item:hover { border-color: rgba(91, 110, 245, .4); }
.faq-q {
  width: 100%; text-align: left; cursor: pointer;
  background: none; border: 0;
  padding: 18px 52px 18px 20px;
  font-size: 16px; font-weight: 600;
  color: var(--color-text-primary);
  font-family: inherit; position: relative;
  line-height: 1.6;
}
.faq-q::after {
  content: '+';
  position: absolute; right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 22px; font-weight: 400;
  color: var(--color-primary-light);
  transition: transform var(--transition-base);
}
.faq-item.open .faq-q::after { transform: translateY(-50%) rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease;
}
.faq-a-inner {
  padding: 0 20px 20px;
  font-size: 14.5px; line-height: 1.95;
  color: var(--color-text-secondary);
}
.faq-a-inner p { margin-bottom: 10px; }
.faq-a-inner p:last-child { margin-bottom: 0; }

/* ---------- 对比表格 ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.cmp-table {
  width: 100%; border-collapse: collapse;
  font-size: 14px; min-width: 560px;
  background: var(--color-background-card);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}
.cmp-table th, .cmp-table td {
  padding: 13px 16px; text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  line-height: 1.7;
}
.cmp-table thead th {
  background: rgba(91, 110, 245, .14);
  color: var(--color-text-primary);
  font-weight: 600; font-size: 14px;
  white-space: nowrap;
}
.cmp-table tbody th {
  color: var(--color-text-secondary); font-weight: 500;
  background: rgba(255, 255, 255, .02);
}
.cmp-table td { color: var(--color-text-light); }
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td { border-bottom: 0; }
.cmp-table .yes { color: #34d399; }
.cmp-table .no { color: #f87171; }

/* ---------- 报价卡 ---------- */
.price-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-md); align-items: stretch;
}
.price-card {
  display: flex; flex-direction: column;
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg) var(--spacing-md);
  transition: border-color var(--transition-base), transform var(--transition-base);
}
.price-card:hover { border-color: rgba(91, 110, 245, .5); transform: translateY(-4px); }
.price-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  position: relative;
}
.price-card.featured::before {
  content: '最多商家选';
  position: absolute; top: -12px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff; font-size: 12px; font-weight: 600;
  padding: 3px 14px; border-radius: 20px;
  white-space: nowrap;
}
.price-card h3 {
  font-size: 19px; color: var(--color-text-primary);
  margin-bottom: 6px; font-weight: 600;
}
.price-card .price-fit {
  font-size: 13px; color: var(--color-text-muted);
  margin-bottom: 16px;
}
.price-card .price-amount {
  font-size: 26px; font-weight: 700;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-secondary));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}
.price-card .price-note {
  font-size: 12px; color: var(--color-text-muted);
  margin-bottom: 18px;
}
.price-card ul {
  list-style: none; padding: 0; margin: 0 0 22px;
  flex: 1;
}
.price-card li {
  position: relative; padding-left: 20px;
  font-size: 14px; line-height: 2; color: var(--color-text-light);
}
.price-card li::before {
  content: '·'; position: absolute; left: 6px;
  color: var(--color-primary-light); font-weight: 700; font-size: 18px;
}

/* ---------- 留资卡片 / CTA 区块 ---------- */
.cta-band {
  background: linear-gradient(135deg, rgba(91, 110, 245, .16), rgba(0, 212, 255, .08));
  border-top: 1px solid rgba(91, 110, 245, .22);
  border-bottom: 1px solid rgba(91, 110, 245, .22);
  padding: var(--spacing-xl) 0;
  text-align: center;
}
.cta-band h2 {
  font-size: 28px; color: var(--color-text-primary);
  margin-bottom: 12px; font-weight: 700;
}
.cta-band p {
  font-size: 15px; color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg); max-width: 640px; margin-left: auto; margin-right: auto;
  line-height: 1.9;
}
.cta-band-buttons {
  display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
}

/* ---------- 留资表单（通用） ---------- */
.lead-form {
  max-width: 520px; margin: 0 auto;
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  text-align: left;
}
.lead-form .form-row { margin-bottom: 16px; }
.lead-form label {
  display: block; font-size: 14px; color: var(--color-text-secondary);
  margin-bottom: 7px; font-weight: 500;
}
.lead-form .req { color: #f87171; }
.lead-form input[type="text"],
.lead-form input[type="tel"],
.lead-form select,
.lead-form textarea {
  width: 100%; padding: 12px 14px;
  background: var(--color-background-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-size: 15px; font-family: inherit;
  transition: border-color var(--transition-fast);
}
.lead-form input:focus,
.lead-form select:focus,
.lead-form textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 110, 245, .18);
}
.lead-form input::placeholder,
.lead-form textarea::placeholder { color: var(--color-text-muted); }
.lead-form select option { background: var(--color-background-light); color: var(--color-text-primary); }
.lead-form .btn-submit { width: 100%; margin-top: 6px; }
.lead-form .form-privacy {
  font-size: 12px; color: var(--color-text-muted);
  margin-top: 12px; line-height: 1.7; text-align: center;
}
.lead-form .form-success {
  display: none; align-items: center; gap: 10px;
  margin-top: 14px; padding: 12px 14px;
  background: rgba(52, 211, 153, .1);
  border: 1px solid rgba(52, 211, 153, .3);
  border-radius: var(--border-radius-md);
  color: #34d399; font-size: 14px;
}
.lead-form .form-success.show { display: flex; }
.lead-form .form-success svg { width: 20px; height: 20px; flex-shrink: 0; }
.form-error { display: block; font-size: 12px; color: #f87171; margin-top: 6px; min-height: 0; }

/* 多选（想了解的产品） */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px 14px;
  margin-top: 4px;
}
.checkbox-group label {
  display: flex; align-items: center; gap: 8px;
  font-size: 13.5px; color: var(--color-text-light);
  cursor: pointer; margin-bottom: 0;
  line-height: 1.5;
}
.checkbox-group input[type="checkbox"] {
  width: 16px; height: 16px; flex-shrink: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}
@media screen and (max-width: 520px) {
  .checkbox-group { grid-template-columns: 1fr; }
}

/* ---------- 悬浮留资条（可关闭，不遮挡内容） ---------- */
.sticky-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 900;
  display: flex; flex-direction: column; gap: 10px;
  align-items: flex-end;
}
.sticky-cta .sticky-btn {
  display: flex; align-items: center; gap: 9px;
  padding: 13px 20px; border-radius: 40px;
  font-size: 14px; font-weight: 600;
  color: #fff; text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}
.sticky-cta .sticky-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.sticky-cta .sticky-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.sticky-btn--primary { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); }
.sticky-btn--ghost {
  background: rgba(26, 31, 53, .94);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  backdrop-filter: blur(10px);
}
.sticky-close {
  position: absolute; top: -8px; right: -8px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-background-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 14px; line-height: 1; cursor: pointer;
  display: none;
}
.sticky-cta.dismissible .sticky-close { display: block; }

/* ---------- 长文（指南页）排版 ---------- */
.article-wrap {
  display: grid; grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--spacing-xl); align-items: start;
}
.article-toc {
  position: sticky; top: 92px;
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-md);
  padding: 18px;
  font-size: 13px;
  max-height: calc(100vh - 130px);
  overflow-y: auto;
}
.article-toc h4 {
  font-size: 13px; color: var(--color-text-muted);
  font-weight: 600; margin-bottom: 12px;
  letter-spacing: .06em;
}
.article-toc a {
  display: block; padding: 6px 0 6px 12px;
  border-left: 2px solid transparent;
  color: var(--color-text-light); line-height: 1.6;
}
.article-toc a:hover, .article-toc a.active {
  color: var(--color-primary-light);
  border-left-color: var(--color-primary);
}
.article { max-width: 780px; font-size: 16px; line-height: 2; color: var(--color-text-secondary); }
.article h2 {
  font-size: 24px; color: var(--color-text-primary);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
  font-weight: 700; scroll-margin-top: 92px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-light);
}
.article h2:first-child { margin-top: 0; }
.article h3 {
  font-size: 18px; color: var(--color-text-primary);
  margin: var(--spacing-lg) 0 12px; font-weight: 600;
  scroll-margin-top: 92px;
}
.article p { margin-bottom: 16px; }
.article ul, .article ol { margin: 0 0 18px; padding-left: 22px; }
.article li { margin-bottom: 9px; line-height: 1.95; }
.article strong { color: var(--color-text-primary); font-weight: 600; }
.article a { color: var(--color-primary-light); text-decoration: underline; text-underline-offset: 3px; }
.article blockquote {
  border-left: 3px solid var(--color-primary);
  background: rgba(91, 110, 245, .07);
  padding: 14px 20px; margin: 20px 0;
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  color: var(--color-text-light); font-size: 15px;
}
.article .article-meta {
  font-size: 13px; color: var(--color-text-muted);
  padding-bottom: var(--spacing-md); margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
  display: flex; flex-wrap: wrap; gap: 8px 20px;
}

/* ---------- 指南索引卡 ---------- */
.guide-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}
.guide-card {
  display: block;
  background: var(--color-background-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  transition: transform var(--transition-base), border-color var(--transition-base);
}
.guide-card:hover {
  transform: translateY(-4px);
  border-color: rgba(91, 110, 245, .5);
}
.guide-tag {
  display: inline-block; font-size: 12px;
  color: var(--color-secondary);
  background: rgba(0, 212, 255, .1);
  border-radius: 20px; padding: 3px 12px;
  margin-bottom: 12px;
}
.guide-card h3 {
  font-size: 17px; color: var(--color-text-primary);
  margin-bottom: 8px; font-weight: 600; line-height: 1.5;
}
.guide-card p {
  font-size: 13.5px; color: var(--color-text-light);
  line-height: 1.85; margin-bottom: 12px;
}
.guide-card .guide-more {
  font-size: 13px; color: var(--color-primary-light); font-weight: 500;
}

/* ---------- 指南正文：表格 / 自查清单 / 提示块 ---------- */
.article .table-scroll { margin: 18px 0 26px; }
.article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.75;
}
.article th, .article td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--color-border-light);
}
.article thead th {
  background: rgba(255, 255, 255, .035);
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 13.5px;
  white-space: nowrap;
}
.article tbody td { color: var(--color-text-light); }
.article tbody th { color: var(--color-text-primary); font-weight: 600; }
.article tbody tr:last-child th,
.article tbody tr:last-child td { border-bottom: 0; }
.article tbody tr:hover { background: rgba(255, 255, 255, .022); }
.article td strong, .article th strong { color: var(--color-text-primary); }
.article h3 + .table-scroll { margin-top: 10px; }

.article .checklist { list-style: none; padding: 0; margin: 22px 0 26px; }
.article .checklist li {
  position: relative;
  padding: 2px 0 2px 34px;
  margin-bottom: 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--color-text-secondary);
}
.article .checklist li::before {
  content: "";
  position: absolute; left: 0; top: 7px;
  width: 18px; height: 18px;
  border: 1.5px solid rgba(91, 110, 245, .55);
  border-radius: 5px;
  background: rgba(91, 110, 245, .08);
}
.article .compliance-callout,
.article .steps { margin: 24px 0 28px; }

/* ---------- 响应式 ---------- */
@media screen and (max-width: 1024px) {
  .article-wrap { grid-template-columns: 1fr; }
  .article-toc { position: static; max-height: none; }
  .article { max-width: 100%; }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
}

@media screen and (max-width: 768px) {
  .breadcrumb { padding-top: 76px; font-size: 12px; }
  .trust-bar-inner { gap: 12px 24px; }
  .trust-item { font-size: 13px; }
  .trust-item b { font-size: 18px; }
  .pillar-grid { grid-template-columns: 1fr; }
  .cta-band h2 { font-size: 22px; }
  .cta-band { padding: var(--spacing-lg) 0; }
  .article { font-size: 15.5px; line-height: 1.95; }
  .article h2 { font-size: 20px; }
  .article h3 { font-size: 17px; }
  .article table { font-size: 13.5px; }
  .article th, .article td { padding: 9px 11px; }
  .article thead th { white-space: normal; }
  .article .checklist li { font-size: 15px; padding-left: 30px; }
  .lead-form { padding: var(--spacing-md); }
  .cta-band-buttons .btn { width: 100%; text-align: center; }

  /* 移动端：悬浮条收成一条，避免遮挡 */
  .sticky-cta {
    right: 0; left: 0; bottom: 0;
    flex-direction: row; gap: 0;
    align-items: stretch;
    padding: 0;
  }
  .sticky-cta .sticky-btn {
    flex: 1; justify-content: center;
    border-radius: 0; padding: 14px 10px;
    font-size: 15px;
  }
  .sticky-cta .sticky-btn--ghost { display: none; }
  .sticky-cta .sticky-close { display: none !important; }
  body { padding-bottom: 52px; }
}